We were struck by the neon-like colors produced by Murray Parkinson’s imaging through our Tele Vue-NP127is APO Refractor using different combinations of Hydrogen-alpha (Hα), doubly ionized oxygen (OIII), and ionized sulfur (SII) filters. His Porpoise Nebula image below looks like it is leaping out of the page! Others agree: he provided the cover and inside cover spread images for Nightfall October 2017 (a journal of astronomy in South Africa). He tells us “I love my two Tele Vue refractors. Only wish you made a 12-inch refractor … .” This week’s guest blog post is a gallery of his work from suburban Sydney, Australia.
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Caption for the photo below: 2019_03_03_EZ_Canis_Major_HaOIII by flickr user Murray Parkinson. All rights reserved. Used by permission. Imaged with Tele Vue-NP127is APO Refractor at f/5.2 with QSI 683wsg camera on EQ8 mount. Exposures through filters with 2 x 2 binning as follows: Astrodon 3-nm Hα for 10-hours total and Astrodon 3-nm OIII for 18-hours total. Acquisition and processing software used: Nebulosity 4, PHD2, PixInsight, Lightroom and Photoshop. Imaged from suburban Sydney.