Michael Purcell's Astrophotography

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NGC3109

(Click on the picture above to go to the main image.)

NGC3109 is an irregular galaxy with low surface brightness. The only noteworthy aspect of this image is the asteroid track. It begins near the top center and moves diagonally down to the right.

I took this picture in New Mexico.

Constellation	Hydra
Right Asc (hh:mm:ss)	10:03:06
Declination(deg:sec)	-26:09
Magnitude	9.8
Size (ArcMin)	16x3
Tirion SkyAtlas 2000	#20
Uranometria 2000	#324

CCD Camera Parameters

ST-7 Compressed Image
File_version = 3
Data_version = 1
Exposure = 15 minutes
Focal_length = 63.000
Aperture = 65.9000
Response_factor = 2000.000
Note = Image taken 04/17/96 at 23:00:24
Background = 443
Range = 211
Height = 510
Width = 765
Date = 04/17/96
Time = 23:00:24
Exposure_state = 100
Temperature = -9.79 C
Number_exposures = 1
Each_exposure = 15 minutes
History = dEKF
Observer = Michael Purcell
X_pixel_size = 0.0090
Y_pixel_size = 0.0090
Pedestal = 0
E_gain = 2.30
User_1 = CCDOPS for DOS Version 3.50B4
Filter = Clear
Readout_mode = 0
Track_time = 500
Sat_level = 16383

This page last updated on July 5, 1998 Contact Michael Purcell