{"id":223,"date":"2016-10-09T09:20:55","date_gmt":"2016-10-09T08:20:55","guid":{"rendered":"http:\/\/trafyx.com\/?page_id=223"},"modified":"2016-10-09T09:24:10","modified_gmt":"2016-10-09T08:24:10","slug":"melotte-15-5-2","status":"publish","type":"page","link":"http:\/\/trafyx.com\/?page_id=223","title":{"rendered":"Abell 50"},"content":{"rendered":"
\"Abell<\/a>
Abell 50\u2014Planetary Nebula in Draco (NGC 6742, PK 78+18.1)<\/figcaption><\/figure>\n

[layout cols=”2-3″ position=”first” textalign=”left”]<\/p>\n

Image Data<\/h4>\n

Telescope: 10\u2033 Aries f\/15 Maksutov-Cassegrain on Astro-Physics 900GTO German Equatorial
\nAccessories: Moravian G1-0300 as Off-Axis Guider, 0.67X Astro-Physics CCD Telecompressor
\nFocal Length and Resolution: 2692 mm, 0.52″\/pixel
\nInstrument: QSI 532wsg at -20 deg. C
\nExposures: R, G, B: 10x100s, Total 50 minutes
\nFilter(s): Astrodon Tru-Balance E-Series
\nExposure Date: 10th June 2011
\nSeeing, FWHM: 1.5\u20132.0″
\nProcessing Software: MaximDL, PixInsight, Photoshop
\nImage Acquisition Software: MaximDL, TheSky6, CCDAutoPilot, FocusMax, PinPoint
\n[\/layout]<\/p>\n

[layout cols=”1-3″ position=”last” textalign=”left”]<\/p>\n

Object Data<\/h4>\n

Constellation:\u00a0Draco
\nType:\u00a0Planetary Nebula
\nDistance:
\nDimensions: 33″
\nMagnitude: 13.4 (V)
\n[\/layout]<\/p>\n

Processing Procedure<\/h4>\n

Automatic Background Extractor (twice, 10th order, substract) to flat field – no real flat frames were used;
\nHistogram Transform, A Trous Wavelets K-Sigma to remove background noise, Resample, A Trous Wavelets (+0.1 on 1st layer) to sharpen stars, Photoshop reduce noise (full strength, preserve 100% details) to remove background noise a little bit further.\u00a0Note: 20.0m central star barely visible, very poor transparency, moonlight.<\/p>\n

 <\/p>\n

NASA\/ADS Query<\/h4>\n

[wp_nasaads_query_importer_full ads_query_url=”\/cgi-bin\/basic_connect?qsearch=NGC+6742″ max_num_authors=”20″ max_records_to_print=”10″]<\/p>\n","protected":false},"excerpt":{"rendered":"

[layout cols=”2-3″ position=”first” textalign=”left”] Image Data Telescope: 10\u2033 Aries f\/15 Maksutov-Cassegrain on Astro-Physics 900GTO German Equatorial Accessories: Moravian G1-0300 as Off-Axis Guider, 0.67X Astro-Physics CCD Telecompressor Focal Length and Resolution: 2692 mm, 0.52″\/pixel Instrument: QSI 532wsg at -20 deg. C Exposures: R, G, B: 10x100s, Total 50 minutes Filter(s): Astrodon Tru-Balance E-Series Exposure Date: 10th […]<\/p>\n","protected":false},"author":1,"featured_media":224,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"page-fullwidth.php","meta":[],"_links":{"self":[{"href":"http:\/\/trafyx.com\/index.php?rest_route=\/wp\/v2\/pages\/223"}],"collection":[{"href":"http:\/\/trafyx.com\/index.php?rest_route=\/wp\/v2\/pages"}],"about":[{"href":"http:\/\/trafyx.com\/index.php?rest_route=\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"http:\/\/trafyx.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/trafyx.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=223"}],"version-history":[{"count":4,"href":"http:\/\/trafyx.com\/index.php?rest_route=\/wp\/v2\/pages\/223\/revisions"}],"predecessor-version":[{"id":231,"href":"http:\/\/trafyx.com\/index.php?rest_route=\/wp\/v2\/pages\/223\/revisions\/231"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/trafyx.com\/index.php?rest_route=\/wp\/v2\/media\/224"}],"wp:attachment":[{"href":"http:\/\/trafyx.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=223"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}