Image of sh2-155, HaOIIILRGB
HaOIIILRGB mapped to full color image. Click here or on the image above for full-size, 5724x3993px (16.1 MB)
Annotated Image of sh2-155, HaOIIILRGB
HaOIIILRGB mapped to full color image with annotations of deep sky objects. Click here or on the image above for full-size, 5724x3993px (11.1 MB)

Sh2-155

Object Sh2-155; Caldwell 9; LBN529; VdB155; LDN1216; HH168; GN 22.55.2; LDN1218; LDN1215; LDN1220; LDN1222;
Description A complex of colorful nebulae surround the central feature commonly called the Cave Nebula (Sh2-155) in this 2 panel mosaic captured through both narrowband and broadband filters.
Rights Statement This image is licensed for use under a Creative Commons Attribution-ShareAlike 4.0 International (CC BY-SA 4.0). If you use this image elsewhere, you must provide an attribution (credit line) like this:
Sh2-155 by is licensed under a CC BY-SA 4.0 Licesnse.
Acquisition Dates June 3 2019, June 11 2019, June 14 2019, June 22 2019, June 23 2019, July 2 2019, July 3 2019, July 4 2019, July 8 2019, July 10 2019, July 13 2019, July 14 2019, July 15 2019, Aug. 1 2019, Aug. 9 2019, Aug. 10 2019, Aug. 11 2019, Aug. 24 2019, Aug. 25 2019, Aug. 29 2019, Aug. 30 2019, Sept. 16 2019, Sept. 17 2019, Sept. 18 2019, Sept. 19 2019, Sept. 20 2019, Sept. 21 2019, Sept. 27 2019, Sept. 28 2019
Date Published 2019-10-3
Locations Narrowband was shot in Somerville, MA (SQM reading at zenith = 18.0 mpsas). Broadband was shot at the ATMOB Clubhouse in Westford, MA. (SQM reading at zenith = 20.17 mpsas)
Optics Stellarvue SVQ86
Mount Skywatcher EQ6-R Pro
Camera ZWO ASI-1600 MM-Cool (v3)
Filters Astrodon Ha (5nm), OIII (3nm), LRGB (E-series)
Guiding ZWO ASI290MM Mini and Astromania 60mm guidescope
Gain 200 for narrowband, 0 for broadband
Cooling -15C
Integration 2 Panels. Total: 62.4 hours; Ha: 297x300"; OIII: 222x300"; L:50x300"; R: 59x300"; G: 57x300"; B: 64x300"
Software Mount Control: EQMOD; Planetarium: Cartes Du Ciel; Acuisition: Sequence Generator Pro; Guiding: PHD2; Platesolving: Pinpoint Polar Alignment: QHY Polemaster; Processing: PixInsight 1.8.6, StarNet++, and Photoshop CS6
RA/DEC Center 344.842, 62.412
Orientation (E of N) 344 degrees
Links Astrobin; WorldWideTelescope
Sh2-155 mosaic in the WorldWideTelescope screenshot