Michael Purcell's Astrophotography

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NGC4697
(Caldwell 52)

NGC4697

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

I took this picture in New Mexico.

Constellation Virgo
Right Asc (hh:mm:ss) 12:48:36
Declination(deg:sec) -05:48
Magnitude 9.3
Size (ArcMin) 6x4
Tirion SkyAtlas 2000 #14
Uranometria 2000 #284


CCD Camera Parameters

ST-7 Compressed Image
File_version = 3
Data_version = 1
Exposure = 5 minutes
Focal_length = 63.000
Aperture = 65.9000
Response_factor = 2000.000
Note = Image taken 04/15/96 at 00:43:51
Background = 161
Range = 158
Height = 510
Width = 765
Date = 04/15/96
Time = 00:43:51
Exposure_state = 100
Temperature = -19.98 C
Number_exposures = 1
Each_exposure = 5 minutes
History = dKE
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 = 900
Sat_level = 16383

This page last updated on Aug 3, 1996 Contact Michael Purcell

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