David's Astronomy Pages Images - Session 472 (2011-04-29)

Images (S471)

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Images (S473)

Objects	Session Notes
Hickson 68 - Galaxy Group (NGC 5334, NGC 5350 et al)     NGC 3972 - Spiral Galaxy with Supernova 2011by     Photometric Monitoring - Variables - FS Aur, KR Aur, AM CVn, U Gem, GK Per, ER UMa, SU UMa - RS CVn attempt (dew)     Astrometric Monitoring - Nearby Stars - None	- Evening  session (1.3 hrs) - Session operated under semi-automated control, with remote monitoring from indoors computer.  - Ambient Temperature: 4.5°C (minimum)  - CCD operation -25°C (at 77% average cooling).   - main objectives of the session was to acquire images of selected project stars for ongoing photometric analysis.

Hickson 68 - Galaxy Group (NGC 5334, NGC 5350 et al)

Hickson 68 / NGC 5334 et al (Canes Venatici)

Annotated CCD Image (50% size) 5 x 120 sec exposure (average combine), 3x3 binning, C Filter  2011-04-29 22:59 h UT  (#472062-66) 12" LX200R  (at f/9.7) + ST-10XME [ larger image ]

NGC 5350 - detail

CCD Image (100% size, cropped) Image details as above

NGC 5350 - detail

Negative CCD Image (100% size, cropped) Image details as above

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NGC 3972 - Spiral Galaxy with Supernova 2011by

NGC 3972 with SN 2011by  (Leo) SN 2011by (Type Ia) was discovered 2011/04/26.823 by Zhangwei Jin and Xing Gao Discovery Magnitude 14.2 ( Rochester Supernova site | Discovery Image | TNS 2011by )

NGC 3972 with SN 2011by - 2011-04-29 (T+3.1d) Image below (2011-04-29.93) was taken 3.1 days after SN discovery. Position of SN 2011 (distinct) is marked by white cross hair Estimated Mag +13.3 (Clear Filter)

Annotated CCD Image (100% size, cropped) 5 x 90 sec exposure (average combine), 3x3 binning, C Filter  2011-04-29 22:21 h UT  (#472029-33) 12" LX200R  (at f/9.7) + ST-10XME

Images of SN 2011by (in NGC 3972) on Supernova 2011 Page >>

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