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Astrophotography 18 images Created 3 Jan 2022

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  • Comet NEOWISE over San Francisco. Dawn, July 12, 2020. Shot from Portrero Hill. Comet NEOWISE over San Francisco. Dawn, July 12, 2020. Shot from Potrero Hill.
    echeng200712_045400.tif
  • Comet NEOWISE over San Francisco. Dawn, July 12, 2020. Shot from Portrero Hill. Comet NEOWISE over San Francisco. Dawn, July 12, 2020. Shot from Potrero Hill.
    echeng200712_041957.tif
  • Comet NEOWISE over San Francisco. Dawn, July 12, 2020. Shot from Portrero Hill. Comet NEOWISE over San Francisco. Dawn, July 12, 2020. Shot from Potrero Hill.
    echeng200712_044452.tif
  • Comet NEOWISE over San Francisco. Dawn, July 12, 2020. Shot from Portrero Hill with a Sony a7r IV, Canon 100-400 f/4.5-5.6L IS II USM at 100mm (vertical). 1 sec, f/5.6, ISO 3200. Stitched panorama from 8 images.
    echeng200712_043914-Pano-Edit.tif
  • The Elephant's Trunk Nebula is part IC1396, in the constellation Cepheus, about 2,400 light years from Earth. Processed in the "Hubble Palette", (Sulfur II, Hydrogen alpha, and Oxygen III mapped to RGB).<br />
<br />
20210728
    Elephant's Trunk Nebula IC1396 20210...tif
  • The North American Nebula (NGC 7000, 1,500 light years from Earth) and the Pelican Nebula (IC 5070, 1,800 light years from Earth) in the constellation Cygnus (in the middle of the Milky Way).<br />
<br />
20210817
    North American Nebula IC5070.tif
  • The Cygnus Loop is a large supernova remnant (emission nebula) containing the Veil Nebula (Western Veil and Eastern Veil), Pickering's Triangle, and more (~2400 light years away).<br />
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Captured during an evening of fantastic seeing during the evening of August 28, 2021.<br />
<br />
NGC6960 Veil ForaxxSHO
    Cygnus Loop, Veil Nebula NGC6960.tif
  • The Pelican Nebula (IC5070, 1,800 light years from Earth) in the constellation Cygnus, in the middle of the Milky Way. Captured over 2 nights of fantastic seeing conditions in August, 2021.<br />
<br />
IC5070_ForaxxSHO 20210817
    Pelican Nebula IC5070.tif
  • The Andromeda Galaxy (M31) is 2.5 million light years from Earth, and is the closest large galaxy to the Milky Way. See it now before it collides with the Milky Way in 4-5 billion years!<br />
<br />
20210905
    Andromeda Galaxy M31 20210905.tif
  • The Heart Nebula (IC 1805 / Sharpless 2-190), 7500 light years away, in the constellation Cassiopeia.<br />
<br />
20210911
    IC1805_SHO_Foraxx_20210911.tif
  • NGC2264 Christmas Tree Cluster and Cone Nebula in the constellation Monoceros, 2,600 light years away.<br />
<br />
20220102
    NGC2264_Christmas_Tree_Cone_Nebula_2...tif
  • NGC2264 Christmas Tree Cluster and Cone Nebula in the constellation Monoceros, 2,600 light years away. Starless version.<br />
<br />
20220102
    NGC2264_Christmas_Tree_Cone_Nebula_2...tif
  • Comet NEOWISE (C/2020 F3) over Lake Sonoma, California. July 22, 2020. Shot with Sony a7r IV, 24-70 lens at 57mm.<br />
<br />
Composite image. <br />
<br />
Foreground: 30 sec @ f/2.8, ISO 3200. <br />
<br />
Sky: 27 x frames, 10 sec @ f/2.8, ISO 6400 per exposure.
    echeng200722_234835_lake_sonoma_neow...tif
  • Comet NEOWISE (C/2020 F3). Sonoma, California. July 22, 2020.<br />
<br />
Shot with Sony a7r IV, Sigma 105mm f/1.4 lens. 51 exposures from 22:06-22:36 (~30 min). 25 sec per exposure @ f/2.8, ISO 3200.
    echeng200722_neowise_stack2_stars_co...tif
  • The Rosette Nebula (Caldwell 49, NGC2237) is in the constellation Monoceros, 5,000 light years away and ~130 light years in diameter. Processed in the Hubble/SHO color palette.<br />
<br />
Gear: <br />
Explore Scientific ED102-FCD100 / ES 3" Field Flattener & 0.7x Reducer / EQR6-Pro / ASI6200MM Pro / Optolong filters / Orion 50mm & ASI120MM-S guide<br />
<br />
Stacked in AstroPixelProcessor and edited in PixInsight. Shot in San Mateo, California, in Bortle 5/6 skies, January 2022.<br />
<br />
Subs:<br />
<br />
32 x 600 sec Hydrogen-alpha<br />
29 x 600 sec Sulphur-ii<br />
23 x 600 sec Oxygen-iii<br />
20 x 60 sec Red<br />
20 x 60 sec Green<br />
20 x 60 sec Blue<br />
(15 hours total)<br />
<br />
#astrophotography #nightsky #astro #ngc2237 #rosette #nebula #rosettenebula #monoceros #asiairpro #eqr6pro #asi6200mm #sanmateo #california
    NGC2237 Rosette Nebula 20220124.tif
  • The Horsehead Nebula in IC434, Orion Nebula (1600 light years away from Earth).<br />
<br />
Gear: <br />
Explore Scientific ED102-FCD100 / ES 3" Field Flattener & 0.7x Reducer / EQR6-Pro / ASI6200MM Pro / Optolong filters / Orion 50mm & ASI120MM-S guide<br />
<br />
Stacked in AstroPixelProcessor and edited in PixInsight in @thecoldestnights (IG) SHO palette. Shot in San Mateo, California, in Bortle 5/6 skies, January 24-28, 2022.<br />
<br />
Subs:<br />
<br />
37 x 600 sec Hydrogen-alpha<br />
27 x 600 sec Suphur-ii<br />
31 x 600 sec Oxygen-iii<br />
(15.8 hours total)
    IC434 20220128.tif
  • The California Nebula (NGC1499) is in the constellation Perseus, 1000 light years from Earth. Processed in HaSS color.<br />
<br />
Gear: <br />
Explore Scientific ED102-FCD100 / ES 3" Field Flattener & 0.7x Reducer / EQR6-Pro / ASI6200MM Pro / Optolong filters / Orion 50mm & ASI120MM-S guide<br />
<br />
Stacked in AstroPixelProcessor and edited in PixInsight. Shot in San Mateo, California, in Bortle 5/6 skies, February 2022.<br />
<br />
Subs:<br />
<br />
32 x 600 sec Hydrogen-alpha<br />
38 x 600 sec Sulphur-ii<br />
(11.7 hours total)<br />
<br />
#astrophotography #nightsky #astro #ngc1499 #california #nebula #californianebula #asiairpro #eqr6pro #asi6200mm #sanmateo #california
    NGC1499_stars_reduced.tif
  • The Orion Nebula (M42), ~1350 light years away and ~24 light years across. I was amazed by how bright this nebula was--I had to shoot it using multiple exposures to retain core detail. Processed in @thecoldestnights (IG) SHO color palette (stars removed).<br />
<br />
Gear: <br />
Explore Scientific ED102-FCD100 / ES 3" Field Flattener & 0.7x Reducer / EQR6-Pro / ASI6200MM Pro / Optolong filters / Orion 50mm & ASI120MM-S guide<br />
<br />
Stacked in AstroPixelProcessor and edited in PixInsight. Shot in San Mateo, California, in Bortle 5/6 skies, February 2022.<br />
<br />
Subs:<br />
<br />
31 x 120 sec, 45 x 300 sec Hydrogen-alpha<br />
42 x 300 sec Sulphur-ii<br />
51 x 180 sec, 19 x 300 sec Oxygen-iii<br />
(12.4 hours total)<br />
<br />
#astrophotography #nightsky #astro #m42 #orion #nebula #orionnebula #asiairpro #eqr6pro #asi6200mm #sanmateo #california
    M42 Orion Nebula 20220205 No Stars.tif