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IC 5146; Cocoon Nebula

The following astronomical image was taken by a user of GoldAstro.com products and presented here by permission.  Copyrights may apply.  Please contact the credited imager to inquire about permission for use and/or availability of larger images.

IC 5146

(2400 x 2400 pixels) or Zoom with Ctrl+ and Ctrl-
Object(s): IC 5146; Cocoon Nebula; cluster with emission and reflection nebulae
Telescope: Meade 12" LX200GPS f/5.9
Camera: Atik 383L+
Mount: Meade LX200GPS w/ Superwedge, permanent pier
Filters: Astrodon Series E (Gen I); Orion H-a 7nm narrowband;
Focus and
GoldFocus Plus Collimation Mask and Analysis Software v3.0
Autoguide: GoldGuide v2.1 w/ Orion 102mm Mak-Cass f/12.0, Meade DSI Pro II
Exposure: L:R:G:B:H-a = 305:125:125:140:420 min.; 5 min. subframes; total 18.6 hours
Process: LLRGB with H-a added to L and R; proprietary software, PixInsight 1.8, Photoshop CS4
FOV: 25' x 25'
Date(s): 19, 21 & 22 August 2012
Credit: Copyright © 2012 Jeff Winter, click for Inquiries