Astrophotography by Walt Davis

February 2009 Comet Lulin peaked in magnitude around 5.0  With poor weather conditions I was not able to capture any images during the time. When the weather did clear Lulin was on its way back out of the solar system and was at a magnitude of 7.67 by Walt Davis

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Object Information

Name: C/2007 N3 (Lulin)
Type: Comit
Description:

February 2009 Comet Lulin peaked in magnitude around 5.0  With poor weather conditions I was not able to capture any images during the time. When the weather did clear Lulin was on its way back out of the solar system and was at a magnitude of 7.67.

Magnitude: 7.67
Location

Hemisphere: Northern

Location:

Latitude 44.841N by Longitude -122.869W

Elevation: 90 Meters

Date:

March 12, 2009
Time  Zone: -8 (Pacific Standard Time)
Time: 9:46pm  to 10:33pm
Light Pollution: Class 4.5 on the Bortle scale (Rural/Suburban transition)
Equipment

Imager:

Nikon D300

OTA:

Orion 120mm f5 Achromat (Air Spaced Doublet)
Mount: Hypertuned Orion Atlas EQ-G
Guiding: Orion StarShoot AutoGuider
Imaging
Camera: Nikon D300
NR: OFF
Quality: Lossless RAW (14-bit)
Size: 4288 x 2848
ISO: 800
Exposure: 120 seconds
White Balance: Direct sunlight, 0, 0

Color Space:

sRGB
Exp Comp: 0EV
Metering: Spot
   

Filter:

Baader Moon & Sky Glow
Scale: 1.35 arcseconds per pixel
FOV: 108 x 72 arcminutes
   
Camera Control: Camera Control Pro 2.0 & ShoeString USB Shutter Control

Light Fames:

16

Darks:

none
Flats: 40 Skyline Flats
   
Total Exposure: 29 mn 67 sec (16 frames)
Image Processing

Stacking:

DeepSkyStacker V 3.2.2

Enhancement: PhotoShop CS3, Noiseware Professional, Astronomy Tools PS CS2 V1_5
Cropped Size: 2488 x 2406
Cropped FOV: 56 x 54 arcminutes
Notes

My first pictures of a comit.

Copyright © 2008 Walt L. Davis All Rights Reserved