Features
18 Supernovae: when stars go bang! Julian Onions
26 Felis – the cat that went missing Stuart Atkinson
28 Arecibo’s legacy of discoveries Amber Hornsby
Regulars
4 Editorial Robin Scagell
4 AstroNews Amber Hornsby
Boost(er) from the past! Amber Hornsby
Stellar flares may highlight inhabited worlds Greg Cooke
CHEOPS uncovers harmonious exoplanets Amber Hornsby
Neutrino flavours are key to understanding massive Rebecca Brown
star death
Mini-moons? Another one?! Abigail Frost
9 Citizen Science Alice Sheppard
SETI and Arecibo
10 Telescope Topics Ian Morison
Telescope mounts part 3: £800 to £1,200 mounts
12 Amateur Scene Peter Wade
Spreading the virtual word
Amateur astronomers surveyed
Space race start for Lincoln
National Astronomy Week online
Major project for Notts society
Out and about
14 How to Robin Scagell
begin deep-sky imaging: Part 2
22 Young Stargazers
From the Chief Stargazer Lucie Green
Young astronomers get together Diederick Vroom
30 Space Exploration Nisha Beerjeraz-Hoyle
JWST set for launch on All Hallows Eve Matjaz Vidmar
Lucy due for October launch to Trojan asteroids Emma Foxell
Three probes reach the Red Planet Matjaz Vidmar
Extraterrestrial samples make it back to Earth Emma Foxell
Bridenstine emphasises unity in farewell Nisha Beerjeraz-Hoyle
33 Section Reports
Variable Star Matthew Barrett
Planetary Alan Clitherow
Deep Sky David Finnigan
Meteor Mark McIntyre
Solar
40 What’s up? Robin Scagell
March and April 2021
Focus on Leo
Views of the Triplet
42 The Society Pages
Professor Sir Arnold Wolfendale FRS Prof Ian Robson
(1927–2020) – Patron of the SPA
Annual General Meeting Guy Fennimore
Online meeting: Saturday, 24 April 2021
Prof Geraint H Jones, UCL-MSSL: The Comet Interceptor Mission
Meet our new President
44 Sky Diary
Moon data Mandy Bailey
Occultation notes / Planets Mell Jeffery / Alan Clitherow
Meteor notes/ Variable Star notes Mark McIntyre / Matthew Barrett
46 SPA contacts
47 Showcase