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

Objects Session Notes
Bullet M101 - spiral galaxy with supernova 2011fe
Bullet Variable Stars
Bullet 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)

Bullet 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 deg C (minimum) 
- CCD operation -30 degC (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 supernova 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 supernova 2011fe
Image 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

 

Image 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

 

Image 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

 

Image 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

 

Image 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

 

Image 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

 

Image 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

 

Image 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

 

Image 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

 

Image 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

 

Image 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

 

Image 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
Image 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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UGC 4985 - Spiral Galaxy

UGC 4985  (Leo)

CCD Image (cropped, 100% size)
4 x 120s exposure (average combine), 3x3 binning, C Filter 
2012-01-16 22:13 hUT (#497232-35)
12" LX200R  (at f/9.7) + ST-10XME

   

UGC 4985  - Earlier Image (2011-04-06)

CCD Image (cropped, 100% size)
4 x 120s exposure (average combine), 3x3 binning, C Filter 
2011-04-06 00:08 hUT (#473165-68)
12" LX200R  (at f/9.7) + ST-10XME

   

UGC 4985 - Earlier Image (2011-04-06)
UGC 4985 with PSN J09225262+2159157 (=SN 2011be,  = SNHunt46)   (Leo)

Annotated CCD Image (cropped, 100% size)
120s exposure (single frame), 3x3 binning, C Filter 
2011-04-06 00:08 hUT (#466098)
12" LX200R  (at f/9.7) + ST-10XME

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UGC 6132 -  BL Lac type quasar (Markarian 421), 397-434 mly

UGC 6132 (Ursa Major)

CCD Image (75% size)
4 x 60 sec exposure (average combine), 3x3 binning, C Filter 
2012-01-16 22:22 h UT  (#497238-42)
12" LX200R  (at f/9.7) + ST-10XME

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Variable Stars

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