equipment: Zeiss Aposonnar 135mmF2 and Canon EOS 5Dmk2-sp2, modified by Seo-san on Takahashi EM-200 Temma 2 Jr, autoguided with Takahashi FSQ-106ED, hiro-design off-axis guider, SX Lodestar Autoguider, and PHD Guiding

exposure: 7 times x 25 minutes, 5 x 15 min, 7 x 4 min, and 4 x 1 minute at ISO 1,600 and f/3.2

site: 11,000 feet above sea level near Mauna Loa Observatory in Hawaii

Tags:   aposonnart2135 ze nature Astrometrydotnet:id=nova896151 Astrometrydotnet:status=solved

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equipment: Zeiss S-orthoplanar 60mmF4.0, hiro-design adapter and focuser, and Canon EOS 5Dmk2-sp2, modified by Seo-san on Takahashi EM-200 Temma 2 Jr, autoguided with Takahashi FSQ-106ED, hiro-design off-axis guider, SX Ldestar X2, and PHD Guiding

exposure: 3 times x 40 minutes, 1 x 6 min, and 2 x 1 minute at ISO 1,600 and f/5.6

site: 11,000 feet above sear level near Mauna Loa Observatory in Hawaii

Tags:   carlzeiss nature S-orthoplanar Astrometrydotnet:id=nova1788725 Astrometrydotnet:status=solved

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equipment: Takahashi FSQ-106ED and Canon EOS 5Dmk2-sp2, modified by Seo-san, on Takahashi EM-200 Temma 2 Jr, autoguided with hiro-design off-axis guider, SX Lodestar, and PHD Guiding

exposure: 5 times x 25 minutes, 3 x 15 min, 4 x 4 min, and 4 x 1 minute at ISO 1,600 and f/3.6

site: 11,000 feet above sea level near Mauna Loa Observatory in Hawaii

Tags:   Barnard 85 Messier 20 M 20 NGC 6514 Sh2-30 RCW 147 Trifid Nebula RCW 145 Gum 74a NGC 6526 Sh2-28 Gum 74b Sh2-26 BFS 1 χ3 Sagittarii Sh2-22 RCW 144 Gum 71 Messier 8 M 8 NGC 6523 Lagoon Nebula Barnard 88 Barnard 89 Barnard 296 NGC 6546 IC 4684 IC 1274 Sh2-32 IC 4685 IC 1275 Sh2-31 NGC 6559 Astrometrydotnet:id=nova885965 Astrometrydotnet:status=solved

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Equipment: Sigma 85mm F1.4 DG HSM Art and Canon EOS 5D mk2-sp2 by Seo-san on Takahashi EM-200 Temma 2 jr. autoguided with Fujinon 1:2.8/75mm C-Mount Lens, Pentax x2 Extender, Starlight Xpress Lodestar X2 Autoguider, and PHD Guiding 2

Exposure: 3 times x 30 minutes, 3 x 15 min, 6 x 4 min, 9 x 1 min, and 4 x 15 seconds at ISO 1,600 and f/4.0

site: 2,674m above sea level at lat. 24 37 43 South and long. 70 13 45 West near Cerro Armazones in Atacama Desert Chile

Tags:   Astrometrydotnet:id=nova2038448 Astrometrydotnet:status=solved

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This is 1,323 x 882 pixel image cropped of the original 5,628 x 3,744 pixels.
www.flickr.com/photos/hiroc/4926617740/

Equipment: Takahashi FSQ-106ED, Reducer QE 0.73x, and Canon EOS 5D mk2-sp2 by Seo san on Takahashi EM-200 temma 2 jr. autoguided with hiro-design off-axis guider, Starlight Xpress Lodestar Autoguider, and PHD Guiding

Exposure: 4 times x 15 minutes, 4 x 4 min, 6 x 1 minute, and 4 x 15 seconds at ISO 1,600

Location: 11,000 feet above sea level near MLO, Mauna Loa Observatory on the shoulder of Mauna Loa in the Big Island, Hawaii

© All Rights Reserved