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CCD Images - Session 505 (2012-03-18)

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Objects Session Notes
Bullet IC 2497 - Spiral Galaxy (attempted imaging of Hanny's Voorwerp)
   
Bullet Variable Stars
Bullet Photometric Monitoring - Variables
- Z And, FS Aur, KR Aur, CV CMi, U Gem, RZ LMi, CZ Ori, FU Ori, DY Per, GK Per, RR Tau, SU Tau, ER UMa
Bullet Astrometric Monitoring - Nearby Stars
- None
- Evening session (1.7 hrs duration). 
- Session operated under semi-automated control, with remote monitoring from indoors computer.  
- Ambient Temperature: 0.5 deg C (minimum) 
- CCD operation -30 degC (at 65% average cooling).  
- main objectives of the session were
1) to acquire images of selected project stars for ongoing photometric and astrometric analysis.
2) acquire an image of Hanny's Voorwrep (Deep Sky Challenge in April 2012 edition of Astronomy Now magazine) 
-

IC 2497 - Spiral Galaxy  (attempted imaging of Hanny's Voorwerp)

IC 2497 (Leo Minor)

Hanny's Voorwerp - a mag +18 patch of emission just south of IC 2497, discovered 
only recently (2007) by Dutch Schoolteacher Hanny van Arkel as part of 
the Galaxy Zoo project,  is hardly visible in this image.
(Stars slightly elongated due to windshake)
Image
CCD Image (120% size, cropped)
5 x 120 sec exposure (average combine), 3x3 binning, C Filter 
2012-03-18 22:00 h UT  (#505030-34)
12" LX200R  (at f/9.7) + ST-10XME

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This Web Page: CCD Images - Session 505 (2012-03-18)
Last Updated : 2015-05-16
Site Owner : David Richards
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