Michael Purcell's Astrophotography

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M8, The Lagoon Nebula

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

This is a mosaic of four ST-7 images of the Lagoon/Hourglass Nebula. The nebula is actually much larger than this image. The group of stars at the left are the open cluster NGC6530.

I took this picture from New Maxico.

Constellation	Sagittarius
Right Asc (hh:mm:ss)	18:03:49
Declination(deg:sec)	-22:23
Magnitude	5.8
Size (ArcMin)	90
Tirion SkyAtlas 2000	#22
Uranometria 2000	#339

CCD Camera Parameters

ST-7 Compressed Image
File_version = 3
Data_version = 1
Exposure = 5 minutes
Focal_length = 80.000
Aperture = 43.0000
Response_factor = 2000.000
Note = Image taken 04/12/99 at 03:03:45
Background = 219
Range = 1337
Height = 510
Width = 765
Date = 04/12/99
Time = 03:03:45
Exposure_state = 356
Temperature = -19.98 C
Number_exposures = 1
Each_exposure = 5 minutes
History = 0
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 3.78
Filter = None
Readout_mode = 0
Track_time = 200
Sat_level = 65535

This page last updated on November 19, 2000 Contact Michael Purcell