LBN 634 and LDN 1333 Region

CLICK ON IMAGE FOR FULL SIZE VIEW (6000 x 4217)

Scope: FSQ-106N at f/5, Location: DAA Observatory, Shelter Valley, CA, 18 and 24 October 2022,  Camera: ASI2600MM (Astronomik type 2c LRGB filters)

Exposure: Exposure:  Panel 1 - Lum 64 x 4 min (gain-101 1x1),  RGB 20 x 2 min (gain-101 1x1). Panel 2 - Lum 70 x 4 min (gain-101 1x1) ,  RGB - 20 x 2 min (gain-101 1x1)

Processing: Data Collection -  Sequence Generator Pro (as FITs).  Sub-frame calibration - Pixinsight (WBPP). Sub-frame  registration and integration (Average combine - Winsorized Sigma Clipping) - PixInsight (WBPP).  Mure Denoise - PixInsight. Deconvolution - BlurxTerminator (via PixInsight). Non-linear stretching and gradient removal - PixInsight.  Generation of starless nebulosity Luminance images for later processing - Star XTerminator. Stars only image separately stretched, Luminance starless and mono stars only combine for luminance construction - PixInsight. RGB combine, RGB stretching, SpectroPhotometric RGB calibration (SPCC), and Luminance layering - PixInsight. Final finishing  - Affinity Photo. Annotation - PixInsight, Aladin (Simbad), and Affinity Photo. This image is a  LRGB wide band image  with Luminance layering.  Image panels  processed at 6248x4176 resolution. Final Mosaic Image size is approximately  6000x4217.

North is up in this image.  This is a two panel mosaic image. It shows a wide field of the region around LBN 632 and LDN 1333. The open cluster Berkeley 8 is also in this field.  This open cluster, as well as LBN 634  and LDN 1333 are the only objects in this 3+ degree wide field  with a major catalog designation. There are multiple dark structures in this field with a significant number from the TGU and PGCC catalogs.  Also, even though there is a broad obstruction of Milky Way interstellar material, some background galaxies shine through the dust.  These objects and some of the brighter stars are identified in the annotated image.   Horizontal FOV is approximately 3.14 degrees. Full size image scale is about 1.88 arcsec/pix.

Image center is located approximately - Equatorial 2000: RA: 2h 24m 55s Dec: +75°53'52"

All images and content remain the property of Jim Thommes - copyright 2003 - 2023

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