GREGOR is a new open solar telescope with an aperture of 1.5 m. It replaces the former 45-cm Gregory Coudé telescope on the Canary island Tenerife. The optical...

EMIR is a multiobject intermediate resolution (R ≍ 4000) near infrared spectrograph with image capabilities to be mounted on the Gran Telescopio Canarias (GTC)...

IAUC 5923 available at Central Bureau for Astronomical Telegrams. IAUC 5923 available at Central Bureau for Astronomical Telegrams.

IAUC 5907 available at Central Bureau for Astronomical Telegrams.

IAUC 6072 available at Central Bureau for Astronomical Telegrams. IAUC 6072 available at Central Bureau for Astronomical Telegrams.

IAUC 5901 available at Central Bureau for Astronomical Telegrams.

IAUC 5879 available at Central Bureau for Astronomical Telegrams. IAUC 5879 available at Central Bureau for Astronomical Telegrams.

IAUC 5921 available at Central Bureau for Astronomical Telegrams. IAUC 5921 available at Central Bureau for Astronomical Telegrams.

IAUC 5929 available at Central Bureau for Astronomical Telegrams. IAUC 5929 available at Central Bureau for Astronomical Telegrams.