{"id":50,"date":"2017-10-22T23:46:48","date_gmt":"2017-10-22T22:46:48","guid":{"rendered":"http:\/\/www.njq.me.uk\/wp\/?p=50"},"modified":"2023-02-14T16:36:02","modified_gmt":"2023-02-14T16:36:02","slug":"triton-occultation-of-ucac4-410-143659-on-2017-october-5","status":"publish","type":"post","link":"https:\/\/www.njq.me.uk\/wp\/?p=50","title":{"rendered":"Triton Occultation of UCAC4 410-143659 on 2017 October 5"},"content":{"rendered":"

Observer
\n<\/b>Longitude: 000\u00b0<\/span> 19′ 57” West; Latitude: 50\u00b0<\/span> 53′ 16” North; Altitude: 20m (WGS-84)<\/p>\n

Equipment
\n<\/b>Celestron C11 f\/10 focal length:2800mm diameter: 280mm
\nSBIG STF-8300M binned 2 x 2, subframe 1429 x 655 (binned) pixels
\nFilter: Luminance (Astronomik)<\/p>\n

Imaging
\n<\/b>Integration time: 2 secs
\nDead time: approx. 2 secs for download & file save<\/p>\n

Processing
\n<\/b>AIP4WIN
\nBias & dark-frame subtraction, no flat-field applied
\nPhotometry measurements using ‘Multi-Image Photometry’ tool
\nRadii chosen to minimise contamination from Neptune<\/p>\n

Results
\n<\/b>Ingress \u00bd light estimated at 23:47:17 \u00b14<\/span> seconds
\n<\/span>Egress \u00bd light estimated at 23:49:41 \u00b14<\/span> seconds<\/span><\/p>\n

\"\"<\/a><\/p>\n\n\n

The published paper analysing the results published in Astronomy & Astrophysics can be found here: Constraints on the structure and seasonal variations of Triton\u2019s atmosphere from the 5 October 2017 stellar occultation and previous observations<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

Observer Longitude: 000\u00b0 19′ 57” West; Latitude: 50\u00b0 53′ 16” North; Altitude: 20m (WGS-84) Equipment Celestron C11 f\/10 focal length:2800mm diameter: 280mm SBIG STF-8300M binned 2 x 2, subframe 1429 x 655 (binned) pixels Filter: Luminance (Astronomik) Imaging Integration time: 2 secs Dead time: approx. 2 secs for download & file save Processing AIP4WIN Bias … Continue reading “Triton Occultation of UCAC4 410-143659 on 2017 October 5”<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4],"tags":[2],"_links":{"self":[{"href":"https:\/\/www.njq.me.uk\/wp\/index.php?rest_route=\/wp\/v2\/posts\/50"}],"collection":[{"href":"https:\/\/www.njq.me.uk\/wp\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.njq.me.uk\/wp\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.njq.me.uk\/wp\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.njq.me.uk\/wp\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=50"}],"version-history":[{"count":3,"href":"https:\/\/www.njq.me.uk\/wp\/index.php?rest_route=\/wp\/v2\/posts\/50\/revisions"}],"predecessor-version":[{"id":133,"href":"https:\/\/www.njq.me.uk\/wp\/index.php?rest_route=\/wp\/v2\/posts\/50\/revisions\/133"}],"wp:attachment":[{"href":"https:\/\/www.njq.me.uk\/wp\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=50"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.njq.me.uk\/wp\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=50"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.njq.me.uk\/wp\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=50"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}