David's Astronomy Pages Images - Session 498 (2012-01-23)

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Images (S499)

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Session Notes

M101 - Spiral Galaxy with Supernova 2011fe Photometric Monitoring - Variables - FO And, RX And, U And, W And, Z And, TT Ari, FS Aur, KR Aur, CY CMi, AM CVn, RS CVn, S Cyg,  U Gem, BL Lac, RZ LMi, U Mon, CN Ori, CZ Ori, FO Ori, NV Ori, FU Ori, DY Per, GK Per, RR Tau, SU Tau, ER UMa, SU UMa - BL Lac, SS Cyg attempts (failed due to wind)     Astrometric Monitoring - Nearby Stars - HH And, DX Cnc, - Groombridge 34, Teegardens Star

- Evening session (5.7 hrs duration).  - Session parts operated under semi-automated control, with remote monitoring from indoors computer.    - Ambient Temperature: -2°C (minimum)  - CCD operation -30°C (at 66% average cooling).   - main objective of the session was to acquire images of selected project stars for ongoing photometric and astrometric analysis.  -

M101 - Spiral Galaxy with Supernova 2011fe

M101 with SN 2011fe  (Ursa Major) SN 2011fe (= PTF11kly) (Type Ia) was discovered  2011/08/24.00 by Palomar Transient Factory Magnitude at discovery +17.2 (Rochester Supernova site | Discovery Image )		SN 2011fe is reported as being the  nearest Type 1a supernova  seen in decades
Images of M101 with SN 2011fe
		New Image (+146d) 2012-01-16 146 days after SN discovery SN Est. Mag  +13.8 Annotated CCD Image  (58% size, cropped) 9 x 60 sec exposure (average combine),  3x3 binning, C Filter  2012-01-16 20:38 h UT  (#497140-48) 12" LX200R  (at f/9.7) + ST-10XME
		Earlier Image (+131d) 2012-01-01 131 days after SN discovery SN Est. Mag  +13.4 Annotated CCD Image  (58% size, cropped) 6 x 60 sec exposure (average combine),  3x3 binning, C Filter  2012-01-01 23:46 h UT  (#494143-51) 12" LX200R  (at f/9.7) + ST-10XME
		Earlier Image (+114d) 2011-12-15.78 114 days after SN discovery SN Est. Mag  +13.1 Annotated CCD Image  (58% size, cropped) 8 x 60 sec exposure (average combine),  3x3 binning, C Filter  2011-12-15 18:43 h UT  (#490110-19) 12" LX200R  (at f/9.7) + ST-10XME
		Earlier Image (+96d) 2011-11-27.84 96 days after SN discovery SN Est. Mag  +12.6 Annotated CCD Image  (58% size, cropped) 8 x 60 sec exposure (average combine),  3x3 binning, C Filter  2011-11-27 20:11 h UT  (#488012-20) 12" LX200R  (at f/9.7) + ST-10XME
		Earlier Image (+90d) 2011-11-21.84 90 days after SN discovery SN Est. Mag  +12.5 Annotated CCD Image  (58% size, cropped) 11 x 60 sec exposure (average combine),  3x3 binning, C Filter  2011-11-21 20:10 h UT  (#486016-26) 12" LX200R  (at f/9.7) + ST-10XME
		Earlier Image (+75d) 2011-11-06.90 75 days after SN discovery SN Est. Mag  +12.1 Annotated CCD Image  (58% size, cropped) 10 x 60 sec exposure (average combine),  3x3 binning, C Filter  2011-11-06 21:32 h UT  (#483004-14) 12" LX200R  (at f/9.7) + ST-10XME
		Earlier Image (+70d) 2011-11-01.85 70 days after SN discovery SN Est. Mag  +11.9 Annotated CCD Image  (58% size, cropped) 12 x 60 sec exposure (average combine),  3x3 binning, C Filter  2011-11-01 19:13 h UT  (#482011-22) 12" LX200R  (at f/9.7) + ST-10XME
		Earlier Image (+65d) 2011-10-27.85 65 days after SN discovery SN Est. Mag  +11.7 Annotated CCD Image  (58% size, cropped) 12 x 60 sec exposure (average combine),  3x3 binning, C Filter  2011-10-27 20:20 h UT  (#481008-19) 12" LX200R  (at f/9.7) + ST-10XME
		Earlier Image (+54d) 2011-10-16.83 54 days after SN discovery SN Est. Mag  +11.2 Annotated CCD Image  (58% size, cropped) 7 x 60 sec exposure (average combine),  3x3 binning, C Filter  2011-10-16 20:00 h UT  (#480169-78) 12" LX200R  (at f/9.7) + ST-10XME
		Earlier Image (+41d) 2011-10-03.85 41 days after SN discovery SN Est. Mag  +10.5 Annotated CCD Image  (58% size, cropped) 11 x 60 sec exposure (average combine),  3x3 binning, C Filter  2011-10-03 20:28 h UT  (#479003-14) 12" LX200R  (at f/9.7) + ST-10XME
		Earlier Image (+37d) 2011-09-29.88 37 days after SN discovery SN Est. Mag  ~ +11.1 Annotated CCD Image  (58% size, cropped) 4 x 60 sec exposure (average combine),  3x3 binning, C Filter  2011-09-29 21:04 h UT  (#478008-11) 12" LX200R  (at f/9.7) + ST-10XME Note : Poor sky transparency  + frost on edges of CCD
		Earlier Image (+1.9d) 2011-08-25.91 ~ 1.9 days after SN discovery SN Est. Mag  +13.4 Annotated CCD Image  (58% size, cropped) 9 x 60 sec exposure (average combine),  3x3 binning, C Filter  2011-08-25 21:41 h UT  (#477019-28) 12" LX200R  (at f/9.7) + ST-10XME
		Earlier Image  (pre-discovery) 2009 CCD Image  (cropped)  9 x 60 sec (average combine),   3x3 binning, C Filter 2009-08-24 22:00 h UT  (#386001-10) 12" LX200R  (at f/5.7) + ST-10XME

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