Astrophotography by Walt Davis

The M15 star cluster is among the top star cluster in the night sky. This image was taken with a Nikon D70, Nikkor 600mm f4 ED lens, a TC-301 2x Teleconverter. By Walt Davis.

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Object Information

Name: M15, NGC 7078
Type: Globular Star Cluster
Description: The M15 star cluster is among the top star cluster in the night sky. This image was taken with a Nikon D70, Nikkor 600mm f4 ED lens, a TC-301 2x Teleconverter.
Magnitude: 6.3
Size: 18 x 18 arcminutes
Related Photos: none

References:

M15 Globular Star Cluster
Pegasus
Google Images
Acquisition

Location:

Latitude 44.841N by Longitude -122.869W at an elevation of 87 meters.
Aumsville, Oregon USA

Date:

 October 22, 2008

Zone: -8 (Pacific Standard Time)
Equipment

Imager:

Nikon D70

OTA:

Nikkor 600mm f4 ED super telephoto lens
Barlow: Nikon TC-301 2x Teleconverter doubling the focal length to 1200mm
Platform: 2X Super Modified Nikon Imaging Platform
Guiding: Phillips WebCam, Nikkor 300mm f2.8 ED lens, and PHD Guiding.
Imaging
Mode: Mode 2
White Balance: Sunlight

Color Space:

sRGB
Format: RAW (3008 x 2000)

Light frames:

6 x (10 min @ ISO 1000)

Darks:

none

Flats:

none
Filters: Baader Moon & Sky Glow
Mask: none
f-stops: f8 with Barlow
FOV: 68 x 44 arcminutes
Scale: 1.35 arcseconds per pixel
Software: Nikon Capture 4 Control
Image Processing

Stacking:

Deep Sky Stacker 3.2.1

Combined:

Average
Processing: PhotoShop CS3, Astronomy Tools CS2 V1.5, New Astro Zone System, Noiseware Professional Plugin.
Notes

none

Copyright © 2008 Walt L. Davis All Rights Reserved