਀㰀䠀䔀䄀䐀㸀 SAAF / Solsystemssektionen, Kometer, C/2007 W1 (Boattini)਀㰀䰀䤀一䬀 刀䔀䰀㴀猀琀礀氀攀猀栀攀攀琀 䠀刀䔀䘀㴀∀栀琀琀瀀㨀⼀⼀眀眀眀⸀猀愀愀昀⸀猀攀⼀猀琀礀氀攀猀⸀挀猀猀∀ 吀夀倀䔀㴀∀琀攀砀琀⼀挀猀猀∀㸀 ਀

C/2007W1 (Boattini)


਀䐀愀琀攀 ⠀唀吀⤀ 渀  䴀䴀  䴀愀最  刀攀昀  䄀瀀攀爀  吀礀瀀攀  昀   砀 搀椀愀 䐀䌀  琀愀椀氀搀最 琀愀椀氀瀀愀  伀戀猀攀爀瘀攀爀
----------------------------------------------------------------------------਀ 㠀 㠀㈀㌀⸀㤀㘀    䈀   㤀⸀㤀  吀䬀   ㄀ ⸀     䈀   ⴀ   ㈀㔀     ㈀                 吀 䬀愀爀栀甀氀愀
਀䌀漀洀洀攀渀琀猀㨀  吀栀攀 栀愀氀昀 洀漀漀渀 愀琀 ㈀ 뀀 搀椀猀琀愀渀挀攀 搀椀猀琀甀爀戀攀搀 琀栀攀 瘀椀攀眀 猀甀戀猀琀愀渀琀椀愀氀氀礀⸀  䤀 猀愀眀 琀眀漀 挀漀洀攀琀猀 眀椀琀栀 琀栀攀 渀愀洀攀 䈀漀愀琀琀椀渀椀 ⠀琀栀攀 漀琀栀攀爀 漀渀攀 眀愀猀 䌀⼀㈀  㠀䨀㄀ ⠀䈀漀愀琀琀椀渀椀⤀⤀ 琀漀渀椀最栀琀 眀椀琀栀椀渀 ㄀栀 ㈀㐀洀椀渀⸀  䤀 栀愀搀 琀爀椀攀搀 琀漀 猀攀攀 䌀㈀  㜀圀㄀ ⠀䈀漀愀琀琀椀渀椀⤀ 漀渀 琀栀爀攀攀 漀挀挀愀猀椀漀渀猀 攀愀爀氀椀攀爀 琀栀椀猀 礀攀愀爀 戀甀琀 昀愀椀氀攀搀⸀  匀椀琀攀㨀  嘀椀爀猀戀漀Ⰰ 匀眀攀搀攀渀
਀
Date (UT) n  MM  Mag  Ref  Aper  Type  f   x dia DC  taildg tailpa  Observer਀ⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀⴀ
080716.21    I   6.5  TK   5.0    B    -   7                        A Nyholm਀ 㠀 㜀㄀㘀⸀㈀㄀                  㤀⸀     䴀   ㄀㄀  㐀   㔀                     䄀 一礀栀漀氀洀
਀䌀漀洀洀攀渀琀猀㨀 䄀瀀瀀攀愀爀猀 渀攀戀甀氀漀甀猀 愀渀搀 猀氀椀最栀琀氀礀 攀氀漀渀最愀琀攀搀Ⰰ 最爀攀礀 愀渀搀 眀椀琀栀 猀琀愀爀ⴀ氀椀欀攀
but somewhat extended central condensation in the Maksutov. No tail visible.਀䔀愀猀椀氀礀 猀攀攀渀 椀渀 戀椀渀漀挀甀氀愀爀猀⸀ 䴀愀最渀椀琀甀搀攀 爀攀昀攀爀攀渀挀攀 漀戀樀攀挀琀猀㨀 䠀䤀倀 ㄀㐀㐀㌀㌀ 愀渀搀 䠀䤀倀 ㄀㐀㐀㌀㤀⸀
No clouds and no moon. Site: Swedish Solar Telescope, La Palma, Canary Islands਀
਀䐀愀琀攀 ⠀唀吀⤀ 渀  䴀䴀  䴀愀最  刀攀昀  䄀瀀攀爀  吀礀瀀攀  昀   砀 搀椀愀 䐀䌀  琀愀椀氀搀最 琀愀椀氀瀀愀  伀戀猀攀爀瘀攀爀
----------------------------------------------------------------------------਀ 㠀 㜀㄀㌀⸀㈀㄀    䤀   㘀⸀㘀  吀䬀   㔀⸀     䈀    ⴀ   㜀                        䄀 一礀栀漀氀洀
080713.21                  9.0    M   11  40  6                     A Nyholm਀
Comments: Appears nebulous and slightly elongated, grey and with star-like਀戀甀琀 猀漀洀攀眀栀愀琀 攀砀琀攀渀搀攀搀 挀攀渀琀爀愀氀 挀漀渀搀攀渀猀愀琀椀漀渀 椀渀 琀栀攀 䴀愀欀猀甀琀漀瘀⸀ 一漀 琀愀椀氀 瘀椀猀椀戀氀攀⸀
Easily seen in binoculars. Magnitude reference objects: HIP 14607 and HIP 14600.਀一漀 挀氀漀甀搀猀 愀渀搀 渀漀 洀漀漀渀⸀ 䌀漀渀猀瀀椀挀甀漀甀猀 稀漀搀椀愀挀愀氀 氀椀最栀琀 瘀椀猀椀戀氀攀 椀渀 吀愀甀爀甀猀 戀攀昀漀爀攀 琀栀攀
start of the observation. Site: Swedish Solar Telescope, La Palma, Canary Islands਀
਀䐀愀琀攀 ⠀唀吀⤀ 渀  䴀䴀  䴀愀最  刀攀昀  䄀瀀攀爀  吀礀瀀攀  昀   砀 搀椀愀 䐀䌀  琀愀椀氀搀最 琀愀椀氀瀀愀  伀戀猀攀爀瘀攀爀
----------------------------------------------------------------------------਀ 㠀 㜀㄀㄀⸀㈀     䤀   㘀⸀㤀  吀䬀   㔀⸀     䈀    ⴀ   㜀                        䄀 一礀栀漀氀洀
080711.20                  9.0    M   11  40  5                     A Nyholm਀
Comments: Appears nebulous and slightly elongated, grey and with star-like਀挀攀渀琀爀愀氀 挀漀渀搀攀渀猀愀琀椀漀渀 椀渀 琀栀攀 䴀愀欀猀甀琀漀瘀⸀ 一漀 琀愀椀氀 瘀椀猀椀戀氀攀⸀ 䔀愀猀椀氀礀 猀攀攀渀 椀渀 戀椀渀漀挀甀氀愀爀猀⸀
Magnitude reference objects: HIP 14804 and HIP 14600. No clouds, no moon and਀爀攀搀甀挀攀搀 琀爀愀渀猀瀀愀爀攀渀挀礀 搀甀攀 琀漀 愀琀洀漀猀瀀栀攀爀椀挀 搀甀猀琀⸀ 匀椀琀攀㨀 匀眀攀搀椀猀栀 匀漀氀愀爀 吀攀氀攀猀挀漀瀀攀Ⰰ
La Palma, Canary Islands਀
਀䐀愀琀攀 ⠀唀吀⤀ 渀  䴀䴀  䴀愀最  刀攀昀  䄀瀀攀爀  吀礀瀀攀  昀   砀 搀椀愀 䐀䌀  琀愀椀氀搀最 琀愀椀氀瀀愀  伀戀猀攀爀瘀攀爀
----------------------------------------------------------------------------਀ 㠀 㜀㄀ ⸀㄀㤀 ☀  䤀   㘀⸀㜀  吀䬀   㔀⸀     䈀    ⴀ   㜀                        䄀 一礀栀漀氀洀
080710.19                  9.0    M   11  40  6                     A Nyholm਀
Comments: Appears nebulous and slightly elongated, grey and with star-like਀挀攀渀琀爀愀氀 挀漀渀搀攀渀猀愀琀椀漀渀 椀渀 琀栀攀 䴀愀欀猀甀琀漀瘀⸀ 一漀 琀愀椀氀 瘀椀猀椀戀氀攀⸀ 䔀愀猀椀氀礀 猀攀攀渀 椀渀 戀椀渀漀挀甀氀愀爀猀⸀ 
Low altitude, below 20 degrees. Magnitude reference objects: HIP 15279 and ਀挀漀洀戀椀渀攀搀 洀愀最渀椀琀甀搀攀 漀昀 戀椀渀愀爀礀 猀琀愀爀 䠀䤀倀 ㄀㔀㌀ 㐀⸀ 一漀 挀氀漀甀搀猀Ⰰ 猀氀椀最栀琀氀礀 爀攀搀甀挀攀搀 琀爀愀渀猀瀀愀爀攀渀挀礀 搀甀攀 琀漀 愀琀洀漀猀瀀栀攀爀椀挀 搀甀猀琀 愀渀搀 渀漀 䴀漀漀渀⸀ 匀椀琀攀㨀 匀眀攀搀椀猀栀 匀漀氀愀爀 吀攀氀攀猀挀漀瀀攀Ⰰ
La Palma, Canary Islands਀
਀䐀愀琀攀 ⠀唀吀⤀ 渀  䴀䴀  䴀愀最  刀攀昀  䄀瀀攀爀  吀礀瀀攀  昀   砀 搀椀愀 䐀䌀  琀愀椀氀搀最 琀愀椀氀瀀愀  伀戀猀攀爀瘀攀爀
----------------------------------------------------------------------------਀ 㠀 㜀 㘀⸀㄀㠀 ☀  䤀   㘀⸀㔀  吀䬀   㔀⸀     䈀    ⴀ   㜀                        䄀 一礀栀漀氀洀
080706.18                  9.0    M   11  40  6                     A Nyholm਀
Comments: Appears nebulous and slightly elongated, grey and with some star-like਀挀攀渀琀爀愀氀 挀漀渀搀攀渀猀愀琀椀漀渀 椀渀 琀栀攀 䴀愀欀猀甀琀漀瘀⸀ 一漀 琀愀椀氀 瘀椀猀椀戀氀攀⸀ 䔀愀猀椀氀礀 猀攀攀渀 椀渀 戀椀渀漀挀甀氀愀爀猀⸀
Low altitude, below 10 degrees. Magnitude reference objects: HIP 15807 and HIP 15687.਀䄀 昀攀眀 琀栀椀渀 挀氀漀甀搀猀 愀琀 琀栀攀 攀愀猀琀攀爀渀 栀漀爀椀稀漀渀Ⰰ 戀甀琀 渀漀琀 愀琀 琀栀攀 挀漀洀攀琀Ⰰ 愀渀搀 渀漀 䴀漀漀渀⸀
Site: Swedish Solar Telescope, La Palma, Canary Islands਀
਀䐀愀琀攀 ⠀唀吀⤀ 渀  䴀䴀  䴀愀最  刀攀昀  䄀瀀攀爀  吀礀瀀攀  昀   砀 搀椀愀 䐀䌀  琀愀椀氀搀最 琀愀椀氀瀀愀  伀戀猀攀爀瘀攀爀
----------------------------------------------------------------------------਀ 㠀 㜀 㔀⸀㈀㄀ ☀  䤀   㘀⸀㔀  吀䬀   㔀⸀     䈀    ⴀ   㜀                        䄀 一礀栀漀氀洀
080705.21                  9.0    M   11  40  5                     A Nyholm਀
Comments: Appears nebulous and slightly elongated, grey and with some central਀挀漀渀搀攀渀猀愀琀椀漀渀 漀昀 愀 氀椀最栀琀攀爀 栀甀攀 椀渀 琀栀攀 䴀愀欀猀甀琀漀瘀⸀ 一漀 琀愀椀氀 瘀椀猀椀戀氀攀⸀ 䔀愀猀椀氀礀 猀攀攀渀
in binoculars. Low altitude, below 15 degrees. Magnitude reference objects:਀䠀䤀倀 ㄀㘀 㠀㘀 愀渀搀 䠀䤀倀 ㄀㘀㈀㈀㘀⸀ 一漀 挀氀漀甀搀猀 愀渀搀 渀漀 䴀漀漀渀⸀ 匀椀琀攀㨀 匀眀攀搀椀猀栀 匀漀氀愀爀 吀攀氀攀猀挀漀瀀攀Ⰰ
La Palma, Canary Islands਀
਀䐀愀琀攀 ⠀唀吀⤀ 渀  䴀䴀  䴀愀最  刀攀昀  䄀瀀攀爀  吀礀瀀攀  昀   砀 搀椀愀 䐀䌀  琀愀椀氀搀最 琀愀椀氀瀀愀  伀戀猀攀爀瘀攀爀
----------------------------------------------------------------------------਀ 㠀 㜀 㐀⸀㈀㄀ ☀  䤀   㘀⸀   吀䬀   㔀⸀     䈀    ⴀ   㜀  㜀                     䄀 一礀栀漀氀洀
਀䌀漀洀洀攀渀琀猀㨀 䄀瀀瀀攀愀爀猀 爀漀甀渀搀 愀渀搀 渀攀戀甀氀漀甀猀Ⰰ 最爀攀礀 愀渀搀 眀椀琀栀 猀漀洀攀 挀攀渀琀爀愀氀 挀漀渀搀攀渀猀愀琀椀漀渀
of a lighter hue. No tail visible. Easily seen in binoculars. Low altitude,਀戀攀氀漀眀 ㄀㔀 搀攀最爀攀攀猀⸀ 䴀愀最渀椀琀甀搀攀 爀攀昀攀爀攀渀挀攀 漀戀樀攀挀琀猀㨀 䠀䤀倀 ㄀㜀㄀ ㌀ 愀渀搀 䠀䤀倀 ㄀㘀㈀㈀㘀⸀ 一漀 
clouds and no Moon. Site: Swedish Solar Telescope, La Palma, Canary Islands਀
਀䐀愀琀攀 ⠀唀吀⤀ 渀  䴀䴀  䴀愀最  刀攀昀  䄀瀀攀爀  吀礀瀀攀  昀   砀 搀椀愀 䐀䌀  琀愀椀氀搀最 琀愀椀氀瀀愀  伀戀猀攀爀瘀攀爀
----------------------------------------------------------------------------਀ 㠀 㜀 ㄀⸀㈀㈀ ☀  䤀   㘀⸀㌀  吀䬀   㔀⸀     䈀    ⴀ   㜀  㔀                     䄀 一礀栀漀氀洀
਀䌀漀洀洀攀渀琀猀㨀 䄀瀀瀀攀愀爀猀 爀漀甀渀搀 愀渀搀 渀攀戀甀氀漀甀猀Ⰰ 最爀攀礀 愀渀搀 眀椀琀栀漀甀琀 愀渀礀 猀琀爀甀挀琀甀爀攀 漀爀 挀攀渀琀爀愀氀
condensation. No tail visible. Seen with direct viewing in binoculars, but਀攀愀猀椀攀爀 琀漀 猀攀攀 眀椀琀栀 椀渀搀椀爀攀挀琀 瘀椀攀眀椀渀最 椀渀 戀椀渀漀挀甀氀愀爀猀⸀ 䰀漀眀 愀氀琀椀琀甀搀攀Ⰰ ㄀㈀ 搀攀最爀攀攀猀⸀
Magnitude reference objects: HIP 17856 and HIP 17120. Observed for about 12਀洀椀渀甀琀攀猀Ⰰ 琀漀眀愀爀搀猀 琀栀攀 攀渀搀 琀栀攀 挀漀洀攀琀 眀愀猀 搀椀昀昀椀挀甀氀琀 琀漀 猀攀攀 搀甀攀 琀漀 琀栀攀 氀椀最栀琀 漀昀
dawn. No clouds and strong wind, 18m/s. The Moon, at 5 % phase with prominent਀䔀愀爀琀栀猀栀椀渀攀Ⰰ 猀琀漀漀搀 愀戀漀甀琀 ㌀  搀攀最爀攀攀猀 昀爀漀洀 琀栀攀 挀漀洀攀琀⸀ 匀椀琀攀㨀 匀眀攀搀椀猀栀 匀漀氀愀爀 吀攀氀攀猀挀漀瀀攀Ⰰ
La Palma, Canary Islands਀