David's Astronomy - Comets, 2007

David's Astronomy Pages (Solar System)
Comets - 2007

Comets
2006

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Comet Images (2007) This page summarises observations and images of comets in 2007

P/2006 HR30 (Siding Spring) (Jan)

4/P Faye (Feb/Mar)

C/2007 E2 (Lovejoy) (Apr/May)

C/2006 VZ13 (LINEAR) (May-Jul)

C/2006 OF2 (Broughton) (Sep)

93P/Lovas (Oct-Nov)

C/2007 F1 (LONEOS) (Oct)

17P/Holmes (Oct/Nov)

50P/Arend (Nov)

8P/Tuttle (Dec)

P/2006 HR30 (Siding Spring)

Comet P/2006 HR40 [Siding Spring]
(passing through starfield near border between Cassiopeia and Andromeda)

Annotated CCD Image
3 x 120s exposure (average combine, aligned on comet),
2x2 binning, C filter, Linear scale
2007-01-20 19:02h UT (#17104-06)

4/P Faye

Comet 4P/Faye - 2007-02-03
(passing through starfield in Taurus)

CCD Image
3 x 120s exposure (average combine), 2x2 binning, C filter,
Linear scale
2007-02-03 19:57h UT (#173051-53)

Comet 4P/Faye - 2007-03-12
(passing through starfield in Taurus)

CCD Image
3 x 120s exposure (average combine), 2x2 binning, C filter,
Linear scale
2007-03-12 21:27h UT (#182172-74)

Comet C/2007 E2 (Lovejoy)

C/2007 E2 (Lovejoy) - 2007-04-27
(passing through star field in Hercules)

Annotated CCD Image
60s, 2x2 binning, C Filter
Linear Scale
2007-04-27 23:05 hUT (#192147)

C/2007 E2 (Lovejoy) - 2007-04-27, detail

CCD Image
20 x 60s (average combine) 2x2 binning, C Filter
Linear Scale
2007-04-27 23:08 hUT (#192140-59)

False Colour CCD Image
Image Details as above
Log Scale, Inverse Spectrum

C/2007 E2 (Lovejoy) - 2007-04-27
Animation showing motion over 1 hour
60 sec exposures at 5 min intervals

CCD Image Animation
60s exposures, 2x2 binning, C Filter
Linear Scale
2007-04-27 22:47 to 23:46h UT (#192131-84)
[part of larger animation at 1 min intervals]

C/2007 E2 (Lovejoy) - 2007-05-15
(passing through star field in Draco)

CCD Image
5 x 60s, 2x2 binning, C Filter
Linear Scale
2007-05-15 01:31hUT (#197129-33)

C/2006 VZ13 (LINEAR)

Comet C/2006 VZ13 - 2007-05-26
(passing through starfield in Andromeda)

CCD Image
3 x 120 sec exposure (average combine), 2x2 binning, C Filter,
2007-05-26 01:07h UT (#200073-75)

Comet C/2006 VZ13 - 2007-07-14
(passing through starfield in Bootes)

CCD Image
3 x 60 sec exposure (average combine),
manually aligned on comet,
2x2 binning, C Filter,
2007-07-14 23:48h UT (#202054-56)

Improved Align Method (auto-align)

CCD Image
3 x 60 sec exposure (average combine,
auto-aligned on comet,
2x2 binning, C Filter,
2007-07-14 23:48h UT (#202054-56)

Comet C/2006 VZ13 - negative image

Negative CCD Image
(Image details as above)

C/2006 OF2 (Broughton)

C/2006 OF2 (Broughton) - 2007-09-19
passing through star field in Aquarius
Catalog mag +14.8

CCD Image (200% size)
3 x 120s exposure (median combine), 2x2 binning,
C Filter, Linear brightness scaling
2007-09-19 20:29 hUT (#214010-12)

C/2006 OF2 (Broughton) - 2007-10-01
moving through starfield in Aquarius
Estimated mag +15.0

CCD Image,
3 x 180 sec exposure (average combine), 2x2 binning, C Filter
Linear Scale
2007-10-01 21:48 h UT (#217135-37)

93P/Lovas

93P/Lovas (moving through starfield in Pisces)
Estimated mag +14.8

CCD Image,
3 x 120 sec exposure (average combine), 2x2 binning, C Filter
Linear Scale
2007-10-01 21:21 h UT (#217114-16)

Comet 93P/Lovas - 2007-11-16
(moving through starfield in Andromeda)
Estimated mag +14.9

CCD Image,
3 x 120 sec exposure (average combine), 2x2 binning, C Filter
2007-11-16 20:57 h UT (#235197-99)

Animation -2007-10-01
showing motion of 93P/Lovas over 160 minutes

CCD Image Animation (2 frames)
3 x 120 sec exposure (average combine),
2x2 binning, C Filter, Linear Scale
2007-10-01 21:21 h UT (#217114-16)
2007-10-01 23:41 h UT (#217222-24)

Animation - 2007-11-16
showing motion of 93P/Lovas over 121 minutes

CCD Image Animation (2 frames)
3 x 120 sec exposure (average combine),
2x2 binning, C Filter, Linear Scale
2007-11-16 20:57 h UT (#235197-99)
2007-11-16 22:58 h UT (#235292-94)

C/2007 F1 (LONEOS)

C/2007 F1 (LONEOS)
(passing through starfield in Coma Berenices)

CCD Image
6 x 60s exposure (average combine),
2x2 binning, C Filter, Linear brightness scaling
2007-10-05 05:05 hUT (#219066-71)

C/2007 F1 (LONEOS)

CCD Image
60s exposure, 2x2 binning, C Filter, Linear brightness scaling
2007-10-05 05:03 hUT (#219066)

C/2007 F1 (LONEOS) - detail

False Colour CCD Image
Square root brightness scaling, False Colour (Cold)
Image details as above

Comet 17P/Holmes

Comet 17P/Holmes - Montage of Images - 2007-10-25 to 2007-11-16

CCD Image Montage (30% size)
Images from 2007-10-25 to 2007-11-16
2x2 binning, various exposures
[Larger Image, 50% size]

Comet 17P/Holmes - explosive eruption
Frames taking on Oct 25th, 29th 30th showing rapidly expanding coma
2007-10-25 (2.1 arc min diam)
2007-10-29 (7.0 arc min diam)
2007-10-30 (9.3 arc min diam)

Animated CCD Images
5 x 10s exposure (average combine), 2x2 binning, C Filter,
Log Scale
Frame 1 : 2007-10-25 20:45h UT (#227055-59)
Frame 2 : 2007-10-29 04:43h UT (#228038-42)
Frame 3 : 2007-10-30 04:47h UT (#229035-39)

Comet 17P/Holmes - explosive eruption
Rotational Gradient Processed Images taking on Oct 25th, 29th 30th, Nov 2nd, 3rd, 5th

Animated CCD Images
Various Exposures
Rotational Gradient (15 deg)

Comet 17P/Holmes - passing through starfield in Perseus, 2007-10-30

CCD Image Mosaic (5 x 6), 35% size
20s exposure, 2x2 binning, C Filter, Log Scale
2007-10-30 04:57h UT (#229040-69)
[ 70% Size ]

Comet 17P/Holmes - passing through starfield in Perseus, 2007-11-16
bright star in bottom left corner is the star Mirfak (Alpha Persei)

Part of CCD Image Mosaic (6 x 7), 35% size
30s exposure, 2x2 binning, C Filter, Linear Scale
2007-11-16 23:31h UT (#235301-42)
[ Full Mosaic, 70% Size ]

Comet 17P/Holmes - passing through starfield in Perseus, 2007-11-28

Part of CCD Image Mosaic (6 x 7), 35% size
30s exposure, 2x2 binning, C Filter, Linear Scale
2007-11-28 21:22h UT (#237063-104)
[ Full Mosaic, 70% Size ]

Part of CCD Image Mosaic (6 x 7), 35% size
30s exposure, 2x2 binning, C Filter, Linear Scale
Rotational Gradient Processed (15 deg rotation)
2007-11-28 21:22h UT (#237063-104)

Comet 17P/Holmes - Sequence showing expanding coma 2007-10-25 to 2007-11-05

		17P/Holmes, 2007-10-25 CCD Image, Log Scale 5 x 10s exposure (average combine), 2x2 binning, C Filter, 2007-10-25 20:45h UT (#227055-59)

		17P/Holmes, 2007-10-29 CCD Image, Log Scale 5 x 10s exposure (average combine), 2x2 binning, C Filter 2007-10-29 04:43h UT (#228038-42) [ Full Size ]

		17P/Holmes, 2007-10-30 CCD Image, Log Scale 5 x 10s (average combine), 2x2 Binning, C Filter 2007-10-29 04:47h UT (#229035-39)

		17P/Holmes, 2007-11-02 Annotated CCD Image Mosaic (3 x 3) Log Scale, Cropped 20s exposure, 2x2 binning, C Filter, 2007-11-02 22:57h UT (#230054-62) [Full Size]

		17P/Holmes, 2007-11-05 Part of CCD Image Mosaic (3 x 3) Linear Scale 20s exposure, 2x2 binning, C Filter, 2007-11-05 19:45h UT (#233063-79) (from Mosaic collected under poor sky condition, causing significant light balance problems)


		Above : 17P/Holmes, 2007-11-16 Part of CCD Image Mosaic (6 x 7) Linear Scale 30s exposure, 2x2 binning, C Filter, 2007-11-16 23:31h UT (#235301-42)

Comet 17P/Holmes - Sequence showing development of inner coma 2007-10-25 to 2007-11-05

17P/Holmes, 2007-10-25		Isophote Detail, 2007-10-25

CCD Image, Linear Scale 5 x 5s exposure (av. combine), 2x2 binning, C Filter, 2007-10-25 20:38h UT (#227015-26)		False Colour CCD Image Square Root brightness scaling & Isophote Contoured, False Colour (Inverse Spectrum). Details as left.

17P/Holmes, 2007-10-29		Isophote Detail, 2007-10-29

CCD Image, Linear Scale 5 x 10s exposure (av. combine), 2x2 binning, C Filter, 2007-10-29 04:43h UT (#228038-42)		False Colour CCD Image Square Root brightness scaling & Isophote Contoured, False Colour (Inverse Spectrum). Details as left

17P/Holmes, 2007-10-30		Isophote Detail, 2007-10-30

CCD Image (50% size), Linear Scale 20s exposure, 1x1 binning, C Filter, 2007-10-30 04:44h UT (#229028)		False Colour CCD Image (50% size) Square Root brightness scaling & Isophote Contoured, False Colour (Inverse Spectrum). Details as Left

17P/Holmes, 2007-11-02		Isophote Detail, 2007-11-02

CCD Image (50% size), Linear Scale 7 x 60s exposure (av. combine), 1x1 binning, C Filter, 2007-11-02 22:44h UT (#230038-44) [ Full Size, 100%]		False Colour CCD Image (50% size) Square Root brightness scaling & Isophote Contoured, False Colour (Inverse Spectrum). Details as Left

17P/Holmes, 2007-11-03		Isophote Detail, 2007-11-03

CCD Image (50% size), Linear Scale 7 x 60s exposure (av. combine), 1x1 binning, C Filter, 2007-11-03 18:08h UT (#231055-61)		False Colour CCD Image (50% size) Square Root brightness scaling & Isophote Contoured, False Colour (Inverse Spectrum). Details as Left

17P/Holmes, 2007-11-04		Isophote Detail, 2007-11-04

CCD Image (50% size), Linear Scale 7 x 60s exposure (av. combine), 1x1 binning, C Filter, 2007-11-04 18:43h UT (#232032-38)		False Colour CCD Image (50% size) Square Root brightness scaling & Isophote Contoured, False Colour (Inverse Spectrum). Details as Left

17P/Holmes, 2007-11-05		Isophote Detail, 2007-11-05

CCD Image (50% size), Linear Scale 7 x 60s exposure (av. combine), 1x1 binning, C Filter, 2007-11-05 18:56h UT (#233015-21)		False Colour CCD Image (50% size) Square Root brightness scaling & Isophote Contoured, False Colour (Inverse Spectrum). Details as left.

17P/Holmes, 2007-11-15		Isophote Detail, 2007-11-15

CCD Image (50% size), Linear Scale 7 x 60s exposure (av. combine), 1x1 binning, C Filter, 2007-11-16 20:00h UT (#234015-21)		False Colour CCD Image (50% size) Square Root brightness scaling & Isophote Contoured, False Colour (Inverse Spectrum). Details as left.

17P/Holmes, 2007-11-16		Isophote Detail, 2007-11-16

CCD Image (50% size), Linear Scale 7 x 60s exposure (av. combine), 1x1 binning, C Filter, 2007-11-16 19:23h UT (#235106-12)		False Colour CCD Image (50% size) Square Root brightness scaling & Isophote Contoured, False Colour (Inverse Spectrum). Details as left.

17P/Holmes, 2007-11-28		Isophote Detail, 2007-11-28

CCD Image (50% size), Linear Scale 7 x 60s exposure (av. combine), 1x1 binning, C Filter, 2007-11-28 20:57h UT (#237051-57)		False Colour CCD Image (50% size) Square Root brightness scaling & Isophote Contoured, False Colour (Inverse Spectrum). Details as left.

Comet 17P/Holmes - Sequence showing development of inner coma / jets 2007-10-25 to 2007-11-05

17P/Holmes, 2007-10-25		Detail, 2007-10-25

CCD Image, Linear Scale 5 x 5s exposure (av. combine), 2x2 binning, C Filter, 2007-10-25 20:38h UT (#227015-26)		Processed CCD Image Rotational Gradient Processing, 15 deg . Details as Left

17P/Holmes, 2007-10-29		Detail, 2007-10-29

CCD Image, Linear Scale 5 x 10s exposure (av. combine), 2x2 binning, C Filter, 2007-10-29 04:43h UT (#228038-42)		Processed CCD Image Rotational Gradient Processing, 15 deg . Details as Left

17P/Holmes, 2007-10-30		Detail, 2007-10-30

CCD Image (50% size), Linear Scale 20s exposure, 1x1 binning, C Filter, 2007-10-30 04:44h UT (#229028)		Processed CCD Image Rotational Gradient Processing, 15 deg . Details as Left

17P/Holmes, 2007-11-02		Detail, 2007-11-02

CCD Image (50% size), Linear Scale 7 x 60s exposure (av. combine), 1x1 binning, C Filter, 2007-11-02 22:44h UT (#230038-44) [ Full Size, 100%]		Processed CCD Image (50% size) Rotational Gradient Processing, 15 deg . Details as left.

17P/Holmes, 2007-11-03		Detail, 2007-11-03

CCD Image (50% size), Linear Scale 7 x 60s exposure (av. combine), 1x1 binning, C Filter, 2007-11-03 18:08h UT (#231055-61)		Processed CCD Image (50% size) Rotational Gradient Processing, 15 deg . Details as left.

17P/Holmes, 2007-11-04		Detail, 2007-11-04

CCD Image (50% size), Linear Scale 7 x 60s exposure (av. combine), 1x1 binning, C Filter, 2007-11-04 18:43h UT (#232032-38)		Processed CCD Image (50% size) Rotational Gradient Processing, 20 deg . Details as left.

17P/Holmes, 2007-11-05		Detail, 2007-11-05

CCD Image (50% size), Linear Scale 7 x 60s exposure (av. combine), 1x1 binning, C Filter, 2007-11-05 18:56h UT (#233015-21)		Processed CCD Image (50% size) Rotational Gradient Processing, 20 deg . Details as left.

17P/Holmes, 2007-11-15		Detail, 2007-11-15

CCD Image (50% size), Linear Scale 7 x 60s exposure (av. combine), 1x1 binning, C Filter, 2007-11-16 20:00h UT (#234015-21)		Processed CCD Image (50% size) Rotational Gradient Processing, 15 deg . Details as left.

17P/Holmes, 2007-11-16		Detail, 2007-11-16

CCD Image (50% size), Linear Scale 7 x 60s exposure (av. combine), 1x1 binning, C Filter, 2007-11-16 19:23h UT (#235106-12)		Processed CCD Image (50% size) Rotational Gradient Processing, 15 deg . Details as left.

Comet 17P/Holmes - Colour image attempts 2007-10-25 to 2007-11-05
		17P/Holmes, 2007-10-25 Approximate Colour CCD Image Red: 15s (R), Green: 15s (V), Blue: 30s (B), 2x2 Binning, Linear Scale 2007-10-25 20:50h UT (#227070-72)

		17P/Holmes, 2007-10-29 Approximate Colour CCD Image Red: 3x15s (R), Green: 3x15s (V), Blue: 6x30s (B), 2x2 Binning, Linear Scale 2007-10-29 04:46h UT (#228043-54)

Comet 50P/Arend

Comet 50P/Arend - 2007-11-16
(moving through starfield in Andromeda)

CCD Image,
3 x 120 sec exposure (average combine), 2x2 binning, C Filter
2007-11-16 21:09 h UT (#235203-05)

Comet 8P/Tuttle

Comet 8P/Tuttle - 2007-12-19
( passing by the +6 Mag star 13 Cassiopeiae, Cassiopeia))

CCD Image
5 x 30s exposure (average combine), 2x2 binning, C Filter
2007-12-19 01:33h UT (#243346-50)

Comet 8P/Tuttle - 2007-12-19

CCD Image
60s exposure , 2x2 binning, C Filter
2007-12-19 01:14h UT (#243329)

Comet 8P/Tuttle - 2007-12-22
(passing through star field in Cassiopeia)

Animated Sequence of CCD Images (8 frames)
60s exposures , 2x2 binning, C Filter
2007-12-22 23:22h UT (#245766-845)
[ Part of a larger 2.5 MB animation of 80 frames ]

Stacked CCD Images (25 frames)
25 x 60s exposures (average combine) , 2x2 binning, C Filter
2007-12-22 23:24h UT (#245790-814)

Comet 8P/Tuttle - 2007-12-27
( passing through starfield in Andromeda)

CCD Image
3 x 30s exposure , 2x2 binning, C Filter
Aligned on comet
2007-12-27 18:16h UT (#248127-35)

Comet 8P/Tuttle - colour image, 2007-12-19

Approximate Colour CCD Image (CBVR)
Luminance : av 3x 30s (C),
Red : av 3 x 30s (R), Green : av 3 x 30s (V), Blue : av 5 x 60s (B)
2007-12-19 01:21h UT (#243330-42)

Comet 8P/Tuttle - colour image, 2007-12-22

Approximate Colour CCD Image (CBVR)
Luminance : av 3x 30s (C),
Red : av 3 x 30s (R), Green : av 3 x 30s (V), Blue : av 3 x 60s (B)
2007-12-22 18:09h UT (#245554-65)

Comet 8P/Tuttle - colour image, 2007-12-27

Approximate Colour CCD Image (CBVR)
Luminance : av 3x 30s (C),
Red : av 3 x 30s (R), Green : av 3 x 30s (V), Blue : av 5 x 60s (B)
2007-12-27 18:17h UT (#248127-38)

This Web Page:	Comet Images - 2007
Last Updated :	2015-05-15
Site Owner :	David Richards
Home Page :	David's Astronomy Web Site

	Comet Images (2007)		This page summarises observations and images of comets in 2007
	P/2006 HR30 (Siding Spring) (Jan)
	4/P Faye (Feb/Mar)
	C/2007 E2 (Lovejoy) (Apr/May)
	C/2006 VZ13 (LINEAR) (May-Jul)
	C/2006 OF2 (Broughton) (Sep)
	93P/Lovas (Oct-Nov)
	C/2007 F1 (LONEOS) (Oct)
	17P/Holmes (Oct/Nov)
	50P/Arend (Nov)
	8P/Tuttle (Dec)

David's Astronomy Pages (Solar System)Comets - 2007