Messier 101 (M101), also known as the Pinwheel Galaxy, is a grand design spiral galaxy in the constellation of Ursa Major. Located nearby – just…
Messier 86 (M86, NGC 4406) is one of the most prominent elliptical galaxies in the Virgo Cluster of galaxies, located relatively nearby – just 55.6…
PlaneWave Instruments CDK17Moravian C3-61000 ProSoftware Bisque Paramount ME GEMChroma B · Chroma G · Chroma R · Chroma LFLI CenterLine CL-1-14 Filter Wheel · Optec…
My 2022-2023 research together with Jeremy Shears, Director of the British Astronomical Association, Variable Star Section. During the British Astronomical Association (BAA) 2022 campaign, 27,436…
Reinventing the Wheel What is the most simple computer? The idea was to learn electronic circuit design by building a minimalist computer using a classic…
Introducing MetroPSF, an open source astronomical photometry program. It’s goal is providing a convenient and intuitive graphical user interface to algorithms implemented in photutils, in…
Type II SN in NGC 3310 in UMa. Astrometrica photometry reports V = 15.77 ± 0.05, although correct PSF fit is a little difficult. Observatory: …
My latest work has just been published in Astronomische Nachrichten, early access link below. It suggests that an asteroid from the Main Belt likely impacted…
My latest publication (2018) abstract: Multi-wavelength variability, arising due to the supermassive black hole accretion instabilities, is one of the intrinsic characteristics of active galactic…
This is a tour of my FreeBSD laptop. I’ve set a goal of configuring a Unix laptop with focused and efficient user interface, suitable for…
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